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[TenTec] Re: Re Corsair II

To: <tentec@contesting.com>
Subject: [TenTec] Re: Re Corsair II
From: tlogan7@cox.net (tlogan7@cox.net)
Date: Wed Feb 5 17:28:14 2003
Ron - 
Yes, somehow the Corsairs grow on you. I had another fellow tell me he hated 
his when he first got it. Now he has two and would not part with them for the 
world. Must be some kind of special Corsair mojo or something hi hi. Thanks 
again for the information. 73/Tim
> 
> From: Ronald Hands <rhands@mountaincable.net>
To: <tentec@contesting.com>
> Date: 2003/02/05 Wed PM 05:19:52 EST
> To: tlogan7@cox.net
> Subject: Re Corsair II
> 
> Tim:
> 
> Couldn't resist commenting on your Corsair experience.
> 
> I have a Corsair II, which I've had for a few years, and it does take a 
> while to get up to speed on them, but well worth the effort.
> 
> One of the things I discovered early was that I hated the raspy sidetone 
> and that running the output audio through a MFJ dsp filter turns it into 
> a very smooth sine wave.  Same effect could probably be obtained with a 
> Radio Shack dsp.  Maybe even with an audio filter.  I've never tried the 
> audio bandpass filter in the Corsair itself; maybe even that would strip 
> off all the harmonics.
> 
> The other trick I find useful for CW is to back off on the RF gain to 
> cut down on the inrush of noise between characters.  There's a sweet 
> spot for this on most signals such that the incoming signal and the 
> sidetone are nicely balanced.
> 
> One thing that's only touched on in the manual is that the filters in 
> use shift according to whether you're in SSB or CW mode.  I have the 
> full set of filters.  When on SSB, Xtal position 3 is 2.4 khz, position 
> 2 is 1.8 khz and I presume position 1 becomes 500 hz (although I've 
> never checked that combo).  In CW mode, position 3 becomes 1.8 khz, 
> position 2 is 500 hz and position 1 is 250 hz. On my Corsair, when the 
> 250 hz filter is in use I get slightly better results by making a slight 
> adjustment of the passband tuning, which apparently puts the center 
> frequency of the filter in a better spot in the passband.
> 
> 73,
> 
> -- Ron  VE3SP
> 
> 
> 
> 

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